11803 is the Postal Code/ZIP Code for the District of Sánchez in the Costa Rica Province of San José and the Canton of Curridabat. The neighborhoods of La Ítaba, Lomas de Ayarco Norte, Lomas de Ayarco Sur and Pinares are located in Postal Code 11803.
| Postal Code | 11803 |
| Postal Code Name | Sánchez |
| Province | San José Province |
| Canton | Curridabat Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 11801 11802 11804 30303 30305 30308 |